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The optical properties of zirconia films doped with rhodamine 6G and oxazine 725 by the sol–gel process were investigated using spectroscopic ellipsometry (SE). Accurate refractive index n and the extinction coefficient k were determined using a three-oscillator classical Lorentz model in the wavelength range of 300–800nm. The derived refractive index of dye-doped films exhibited anomalous dispersion...
The zirconia–titania–ORMOSIL waveguide thin films with considerable optical quality were prepared by the sol–gel process. The refractive index (n) and the extinction coefficient (k) were determined by a scanning ellipsometer. Wavelength tunable output of distributed feedback waveguide lasing was demonstrated in Rhodamine 6G doped ZrO 2 –TiO 2 –ORMOSIL thin films by varying the temperature,...
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